/*
 * FileAsMsg plug-in for Miranda IM and QIP Infium.
 * Sending/receiving files via instant messaging without protocol support.
 * Homepage: http://code.google.com/p/fileasmsg/
 *
 * Copyright (c) 2008, Radist <radist.nt@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Name(s) of contributor(s) may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Radist ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Radist BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "miranda_hooker.h"

std::list<miranda_hooker*> miranda_hooker::HookList;
bool miranda_hooker::hooked = false;

miranda_hooker::miranda_hooker( const char *name, MIRANDAHOOK addr )
: m_name(name), m_addr(addr)
{
	HookList.push_back(this);
}

void miranda_hooker::Hook( void )
{
	m_handle = HookEvent(m_name, m_addr);
}

void miranda_hooker::Unhook( void )
{
	UnhookEvent(m_handle);
}

void miranda_hooker::ApplyHooks( void )
{
	if (!hooked)
	{
		for (std::list<miranda_hooker*>::iterator it = HookList.begin(); HookList.end()!=it; ++it)
		{
			(*it)->Hook();
		}
		hooked = true;
	}
}

void miranda_hooker::RemoveHooks( void )
{
	if (hooked)
	{
		for (std::list<miranda_hooker*>::iterator it = HookList.begin(); HookList.end()!=it; ++it)
		{
			(*it)->Unhook();
		}
		HookList.clear();
		hooked = false;
	}
}

miranda_servicefunction::miranda_servicefunction( const char *name, MIRANDASERVICE addr )
: miranda_hooker(name, (MIRANDAHOOK)addr)
{
}

void miranda_servicefunction::Hook( void )
{
	m_handle = CreateServiceFunction(m_name, m_addr);
}

void miranda_servicefunction::Unhook( void )
{
	DestroyServiceFunction(m_handle);
}

